Jack Dorsey says Alexandria Ocasio-Cortez is 'mastering' Twitter, but Elon Musk is his favourite tweeter

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Twitter CEO Jack Dorsey.

• Jack Dorsey told Recode's Kara Swisher that his favourite "influential" Twitter user is Elon Musk.
• Dorsey said he respects the "ups and downs" that come with Musk's Twitter usage, which has famously landed him in hot water.
• Dorsey also said that Democratic Rep. Alexandria Ocasio-Cortez is "mastering the medium."

Twitter CEO Jack Dorsey was interviewed by Recode's Kara Swisher on Tuesday over - you guessed it - Twitter.

Swisher pressed Dorsey to give specific answers to her questions. After quizzing him on tech responsibility, Donald Trump, and abuse on his platform, Swisher asked Dorsey who he thinks the most "exciting influential" person on Twitter is.

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Dorsey's answer: Elon Musk.

Musk himself chimed in, evidently flattered. "Thanks Jack, Twitter rocks!" Musk tweeted, followed by a string of seemingly random emojis.

While many of Musk's tweets are irreverent or showcase his love of technology, the "ups and downs" Dorsey refers to can have real ramifications. Musk's penchant for Twitter became notorious last year after he tweeted "funding secured," prompting the SEC to slap him and Tesla with $20 million fines.

He also provoked bewilderment after he tweeted at British cave diver Vernon Unsworth calling him a "pedo." It came after Unsworth criticised Musk's idea to build a miniature submarine to rescue the Thai soccer team who were trapped in a flooded cave system in July last year. Unsworth is suing Musk for defamation.

Swisher countered Dorsey's answer by asking about the rising star of the Democratic party, Alexandria Ocasio-Cortez.

Dorsey responded that Ocasio-Cortez is "mastering the medium."

Ocasio-Cortez told Business Insider in January that she writes all of her own tweets but that many of them, "never see the light of day."